HTTP Status 500 – Internal Server Error


Type Exception Report

Message Request processing failed; nested exception is java.lang.NullPointerException

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:963)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:842)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:827)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	com.rhhz.access.web.ArticleAccessFilter.doFilterInternal(ArticleAccessFilter.java:59)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
	org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:180)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
	com.rhhz.base.util.XssFilter.doFilter(XssFilter.java:46)

Root Cause

java.lang.NullPointerException
	com.rhhz.search.meta.service.impl.ArticleSearchServiceImpl.searchRelationArticle(ArticleSearchServiceImpl.java:302)
	sun.reflect.GeneratedMethodAccessor364.invoke(Unknown Source)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.lang.reflect.Method.invoke(Method.java:498)
	org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
	org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
	org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:96)
	org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:260)
	org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:94)
	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
	org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
	com.sun.proxy.$Proxy64.searchRelationArticle(Unknown Source)
	com.rhhz.webclient.article.action.ArticleController.fetchRelationArticle(ArticleController.java:1264)
	com.rhhz.webclient.article.action.ArticleController.getArticleRelativeContent(ArticleController.java:1278)
	com.rhhz.webclient.article.action.ArticleController.getArticleById(ArticleController.java:349)
	sun.reflect.GeneratedMethodAccessor417.invoke(Unknown Source)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.lang.reflect.Method.invoke(Method.java:498)
	org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
	org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)
	org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
	org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:743)
	org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:672)
	org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:82)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:933)
	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:867)
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:951)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:842)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:827)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	com.rhhz.access.web.ArticleAccessFilter.doFilterInternal(ArticleAccessFilter.java:59)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
	org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:180)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
	com.rhhz.base.util.XssFilter.doFilter(XssFilter.java:46)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/7.0.104